{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1470781",
    "entityType": "User",
    "nonce": "0x9bf5d5ddfd9f1fe434c13fda076d959f13910f526a58792b99ddc56ffa151f00",
    "signature": "0x4e2cd9842ca48f4c9ed768c2240f1e3c52f827e5bc9feb2d1b3d7add1824ada97fe46c7f5fe61d8d174b4a94a0d7395b6a8ffd4915fb5be8ad375978ea9d13281c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}